162 



Hourly Meteorological Observations, March 11 — 13, 1845. 







Thermometers, i 



Wind. 1 







■ 



1 



Gott. 

 Mean 

 Time. 



d. h. 



Baeo- 



METER 



at 32°. 











1 



Clouds, 









t 



Dry. 



Wet. 



Diff. 



Maxi 

 fore 



mum 

 e in 

 10". 



From 



Sc.:C.-s.:Ci., 



moving 



from 



Sky 

 clouded. 



Species of Clouds and Meteorological Remarks. 





1 



in. 



o 



o 



o 



IbF. 



lbs. 



pt. 



pt. pt pt. 



0-10. 









11 3 



29-826 



36-0 



32-0 



4-0 



3-7 



2-7 



31 



: — : — 



5-0 



Scud ; cirro-strati ; nimbi. 







i 



4 



804 



36-1 



31-6 



4-5 



3-8 



3-8 



31 



0: — : — 



1-2 



Id. ; loose cumuli ; id. 







f 



5 



803 



35-4 



31-5 



3-9 



3-7 



2-2 









1-5 



Id. ; id. ; id. 









6 



802 



33-3 



30-1 



3-2 



2-4 



1-1 



30 





1-5 



Cumulo-strati ; nimbi and cirro-strati on horizon. 









7 



797 



32-5 



29-6 



2-9 



1-4 



0-8 



30 



: — : — 



3-0 



Scud ; cumulo-strati ; nimbi ; cirro-strati. 



J 





8 



793 



32-0 



29-5 



2-5 



1-8 



0-9 



31 





1-0 



Cumulo-strati, &c., on horizon. 



}) 



[ 



9 



788 



31-6 



290 



2-6 



1-5 



1-1 



29 





0-5 



Clouds on horizon. 



U 



10 



789 



31-0 



28-7 



2-3 



1-4 



1-0 



31 





0-2 



Id. 



D 





11 



789 



31-0 



28-8 



2-2 



1-2 



1-1 



31 





0-2 



Id. 







12 



781 



30-4 



28-4 



2-0 



1-2 



1-2 



31 





0-2 



Id. 





: 



13 



29-777 



30-3 



28-2 



2-1 



0-8 



0-7 



30 





2-0 



Clouds on horizon, principally to E. 







14 



770 



30-2 



28-1 



21 



0-9 



0-6 



30 





4-0 



Id., id. 







15 



762 



29-9 



29-2 



0-7 



0-6 



0-4 



30 





10-0 



Scud ; snow^ 





1 



16 



752 



29-9 



28-7 



1-2 



0-5 



0-5 









10-0 



Id. ; snow^ 



II 



17 



753 



27-5 



27-0 



0-5 



0-6 



0-2 



30 





2-0 



Clouds to E. 



1 



18 



747 



25-2 



24-7 



0-5 



0-3 



0-2 



29 





2-0 



Id. 







19 



752 



26-4 



25-8 



0-6 



0-5 



01 



31 





10-0 



Snow--^ 





1 



20 



753 



28-1 



27-6 



0-5 



00 



00 



22 



3: — : — 



9-7 



Scud ; loose woolly cir.-cum. ; snow-showers since last obs. 



( 



21 



754 



29-1 



28-2 



0-9 



01 



0-1 



22 



4: 2: 



9-5 



Id. ; loose cum. ; woolly cir.-cum. ; snow at intervals. 





22 



745 



30-5 



28-7 



1-8 



0-1 



0-3 



30 



— : 0: — 



3-0 



Woolly cir.-cum. ; cum.-str. on E. and N. horizon. 



e 





23 



736 



32-8 



28-9 



3-9 



0-5 



0-5 









2-0 



Cumuli and cnm.-str. to E. and N. ; cir.-str. ; patches of cirri. 









12 



725 



33-3 



27-8 



5-5 



10 



1-1 



1 





2-0 



Loose cum. to E. and N. ; nimbi to NW. patches of cir.0 





1 



718 



34-5 



29-5 



5-0 



1-5 



0-7 



2 





4-0 



Cumuli and scud, both white. 









2 



707 



33-7 



29-2 



4-5 



1-7 



1-3 



2 



2: — : — 



3-5 



Id. [snow 



.0 





3 



700 



33-7 



28-9 



4-8 



1-6 



0-7 



3 



4: — : — 



3-5 



Id. ; thick watery cloud to E., falling 



in 





4 



698 



34-0 



29-2 



4-8 



0-8 



0-4 



3 



3: — : — 



6-0 



Scud and cum. ; sheets of watery cloud. 



0L 1 



5 



698 



31-7 



29-0 



2-7 



1-3 



0-6 



3 





3-0 



Loose cumuli and cumulo-strati. 







6 



695 



31-0 



27-2 



3-8 



0-7 



0-3 



5 



3 : — : — 



4-0 



Id. ; cumulo-strati ; cirro-strati. 







7 



701 



27-5 



26-4 



1-1 



0-6 



0-1 



4 





0-2 



Cumulo-strati ; cirro-strati and haze on horizon. 



i 





8 



706 



24-7 



24-5 



0-2 



0-2 



0-0 



6 





01 



Clouds and haze on horizon. 



n 1 



9 



702 



21-2 



21-3 





0-1 



0-0 







0-1 



Id. on E. horizon. 



1 





10 



702 



19-8 



19-8 



... 



0-0 



0-0 







01 



Id. 



J 





11 



694 



23-2 



22-8 



0-4 



0-0 



0-0 







2-5 



Cirrous clouds to E. 



J 





12 



685 



21-7 



21-2 



0-5 



0-1 



0-1 



18 





0-8 



Cirro-strati to E. 







13 



29-678 



20-4 



19-8 



0-6 



01 



0-1 



23 





0-8 



Cirro-strati to E. ; very clear. 







14 



674 



18-8 



18-7 





0-1 



0-0 



20 





5-0 



Id. ; clouding over very quickly. 







15 



655 



21-3 



20-7 



0-6 



0-1 



0-2 



20 





6-5 



Cirro-strati ? 







16 



647 



23-0 



22-2 



0-8 



0-2 



0-2 



20 





7-0 



Cirrous clouds ; snow""^ 







17 



646 



23-5 



22-7 



0-8 



0-2 



0-1 



19 





9-8 



Id. ; id. 







18 



652 



24-2 



23-1 



11 



0-2 



0-2 



18 





9-8 



Id. 





1 



19 



664 



24-4 



23-2 



1-2 



0-3 



0-3 



16 



— : 20 : — 



9-5 



Id. 







20 



678 



23-6 



22-5 



1-1 



0-3 



0-2 



14 



— : 12: — 



5-0 



Cirro-cumuli and cirro-stratous scud ; cirro-strati. 



G 





21 



689 



24-8 



23-4 



1-4 



0-1 



0-1 



17 





0-5 



Cirro-cumulo-strati to SE. 









22 



680 



25-4 



23-7 



1-7 



0-3 



0-2 



17 





01 



Id. and haze on E. horizon. 









23 



690 



27-3 



25-3 



2-0 



0-2 



0-1 



17 





0-2 



Patches of scud and haze. 









13 



677 



29-2 



25-7 



3-5 



0-2 



0-2 



19 





0-2 



Id. 









1 



656 



30-6 



26-7 



3-9 



0-4 



03 







0-5 



Patches of scud and cirro-strati. 









2 



634 



32-9 



27-9 



5-0 



0-4 



0-2 



19 





0-5 



Patches of cirri to N. 



G 





3 



605 



34-2 



28-7 



5-5 



0-5 



0-2 



26 



27 : — : — 



2-0 



Id. 



G 





4 



583 



34-9 



29-2 



5-7 



0-5 



0-5 



28 



27 : — : — 



1-0 



Patches of cumuli ; cirro-strati. 



G 





5 



556 



34-8 



28-9 



5-9 



0-5 



0-4 



24 





1-0 



Cumuli and cirro-strati on horizon. 



G 





6 



538 



33-5 



28-9 



4-6 



05 



0-3 



22 



— : 30 : — 



30 



Loose cirro-strati and cirro-cumuli; cum.-str. to NE.O| 





7 



526 



30-7 



27-0 



3-7 



0-3 



0-2 



20 



— : 30 : — 



6-0? 



Id. and cirrous haze. 



J 





8 



522 



29-2 



26-1 



31 



0-3 



0-3 



20 





3-5 



Cirro-strati ; thin cirri ; lunar corona. 



> 





9 



511 



28-0 



25-0 



30 



0-5 



0-4 



20 





0-8 



Cirri. 



J 





10 



500 



27-1 



24-6 



2-5 II 0-5 



0-3 



20 





0-0 



Hazy on E. horizon ? 



J 



! 



The 



! direction of the ^ 



vind is 



indicated by 



the number of the point c 



)f the cor 



Qpass, reckoning N. = 0, E. = 8, S. = 16, W. = -'4. The 



raotio 



ns of the thi-ee strE 



ita of c 



ouds, Sc. (sc 



ud), C.-s. (cirro-stratus), at 



id Ci. (cii 



rrus), are indicated in a similar manner. 





, 



Ma 



•ch 12'i 19i>. Ice 



remove( 



i from the v 



ane of the anemometer. 









L 



